72kg and GP4000s clinchers that say "pump us to 7-8.5 bar". So I pump ~8bar both (116psi). And so, in the last 3 years only one flat (but that was strange one). I remember the days when I pumped 5bar (72psi) and flatted 5 times per year. So I am not going back

I really don't understand why people buy 25mm's then pump them up rock hard negating all the benefit!

To avoid pinch flats and damage to the rim.For me, I want as much air as possible between my rims and the sharp edge of a pothole. Comfort and performance take second place.I used to pump 80/85 psi on 25 mm Grand Prix'es and they were getting pinched, damaging the rim twice.Im 67 kg btw.

I weigh 62kg however I run a very high pressure. Anything less than 120psi I have a flat tire! I know this is crazy but I need every bit of speed to keep up with the group rides that I do. Even if there's no speed benefit it does give me a psychological boost...

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